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CAS No 596-27-0 , 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one

  • Name: 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
  • Synonyms: 3',3''-Dimethylphenolphthalein; EINECS 209-881-8;o-Cresolphthalein; Cresolphthalein;3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one; 3,3'-Dimethylphenolphthalein; 596-27-0;
  • CAS Registry Number:
  • Transport: HAZARD
  • Melting Point: 223-225 ºC
  • Flash Point: 198.8°C
  • Boiling Point: 555°Cat760mmHg
  • Density: 1.32g/cm3
  • Refractive index: 1.668
  • Safety Statements: R40
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 198.8°C
  • EINECS: 209-881-8
  • Molecular Weight: 346.37592
  • InchiKey: CPBJMKMKNCRKQB-UHFFFAOYSA-N
  • InChI: InChI=1S/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)
    18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H3
  • Risk Statements: S36/37
  • Molecular Formula: C22H18O4
  • Molecular Structure:CAS No:596-27-0 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
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596-27-0 o-Cresolphthalein

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596-27-0 o-Cresolphthalein

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596-27-0 o-cresolphthalein

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596-27-0 o-Cresolphthalein

  • China Shen Yang Xin Guang Chemical Factory [Manufacturers]
  • Tel: 02489150153
  • Fax: 86-24-62579756
  • Address: B-1710 Green Freedom Mansion, No. 346, Fengtian Street, Shenhe District, Shenyang, Liaoning, China Shenyang,LiaoningChina
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596-27-0 o-Cresolphthalein

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596-27-0 o-Cresolphthalein

  • India PARSHWANATH GROUP OF INDUSTRIES [Manufacturers]
  • Tel: 91-79-25834410, 25897971
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  • Address: A/2/481-482,PHASE-II VATVA G.I.D.C.ESTATE AHMEDABAD, GUJARAT India AHMEDABAD,GUJARATIndia
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596-27-0 o-Cresolphthalein

  • o-Cresolphthalein CAS NO.: 596-27-0 Synonyms: 3,3-Bis (4-hydroxy-3-methyl phenyl)-1-(3H)-iso-benzofuranone; Di-o-cresol phthalide; 3楹?Dimethylphenolphthalein; OCP. Molecular formula: C22H18O4 Molecular weight: 346.38 Property : Colorless crystal or ...
  • China Shenyang Joinunion Chemical Technology Co.,Ltd. [Manufacturer]
  • Tel: 86-24-25439091
  • Fax: 86-24-25439093
  • Address: Int'l Dept.R1212-13 Rongda Int'l Bldg.No.90 South Jingxing St.Tiexi Dist.110023 ShenyangCHINA Shenyang,nullChina
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596-27-0 3-Hydroxycinnamic acid; 99%

  • 3-Hydroxycinnamic acid; 99%
  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
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  • Address: Im Schlehert 10
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    Germany null,nullGermany
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596-27-0 o-Cresolphthalein/ CH

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  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany null,nullGermany
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References of 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
Title: o-Cresolphthalein
CAS Registry Number: 596-27-0
CAS Name: 3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
Synonyms: 3,3¢-dimethylphenolphthalein
Molecular Formula: C22H18O4
Molecular Weight: 346.38
Percent Composition: C 76.28%, H 5.24%, O 18.48%
Literature References: Prepn: F. J. Welcher, Organic Analytical Reagents vol. 4 (Van Nostrand, New York, 1948) p 482; Hubacher et al., J. Am. Pharm. Assoc. 42, 23 (1953).
Properties: Crystals from alc, mp 223°. Slightly sol in water; sol in alcohol. pK 9.4.
Melting point: mp 223°
pKa: pK 9.4
Use: As indicator: pH range, 8.2 colorless, 9.8 red. Analytical reagent.